Practice question

Silt fence on a highway grading project is installed to:

  1. Replace the storm-sewer system
  2. Intercept sheet flow and filter sediment before it leaves the disturbed area
  3. Serve as a trench protective system under OSHA
  4. Mark the APWA color for proposed excavation

Answer: B — Intercept sheet flow and filter sediment before it leaves the disturbed area

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Practice more: VA H H QI Practice Questions - Virginia Highway Heavy Contracting Qualified Individual Examination Exam →